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Expressing generality — the language of proof
18 questions
Lesson
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n
n
n
is a whole number. Write down an expression for the next whole number after
n
n
n
.
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Level 1
1 mark
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Mark as done
n
n
n
is a whole number. Explain why
2
n
+
1
2n + 1
2
n
+
1
is always odd.
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Level 1
1 mark
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